Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr58145-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR tree-optimization/58145 */ /* { dg-do compile { target { int32plus } } } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ struct S { unsigned int data : 32; }; struct T { unsigned int data; }; volatile struct S s2; static inline void f1 (int val) { struct S s = { .data = val }; *(volatile struct S *) 0x880000UL = s; } static inline void f2 (int val) { struct T t = { .data = val }; *(volatile struct T *) 0x880000UL = t; } static inline void f3 (int val) { *(volatile unsigned int *) 0x880000UL = val; } static inline void f4 (int val) { struct S s = { .data = val }; s2 = s; } void f5 (void) { int i; for (i = 0; i < 100; i++) f1 (0); for (i = 0; i < 100; i++) f2 (0); for (i = 0; i < 100; i++) f3 (0); for (i = 0; i < 100; i++) f4 (0); } /* { dg-final { scan-tree-dump-times " ={v} " 4 "optimized" } } */